Home / 264,139.20-395,917.20-145,895.40

Finding the Fourth Proportional to 264,139.20, 395,917.20 and 145,895.40

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Solution

The fourth proportional to 264,139.20, 395,917.20 and 145,895.40 is: 218,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,139.20 : 395,917.20 = 145,895.40 : x
  2. Step 2: Convert to fraction form
    264,139.20/395,917.20 = 145,895.40/x
  3. Step 3: Cross multiply
    264,139.20x = 395,917.20 × 145,895.40
  4. Step 4: Simplify right side
    264,139.20x = 57,762,498,260.88
  5. Step 5: Solve for x
    x = 57,762,498,260.88/264,139.20
  6. Step 6: Final answer
    x = 218,682.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.